When might you use API trigger properties in an e-commerce application?

Using API trigger properties in an e-commerce application is particularly relevant when delivering shipping notifications. API triggers allow developers to send real-time updates to users about their order status, which is crucial for enhancing the customer experience. By utilizing API trigger properties, an e-commerce platform can automatically notify customers when their order is shipped, out for delivery, or delivered, thereby keeping them informed and engaged throughout the order fulfillment process.

This real-time communication not only serves to reassure customers about their purchase but also can reduce inquiries to customer service, as customers have access to timely information regarding their orders. By implementing such functionality through API triggers, businesses can streamline operations and enhance customer satisfaction, making this the most suitable application for API trigger properties in the context of the provided question.